/*
 * Copyright (c) 2014, Julien Bernard
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
#include <mm/colorize.h>

#include <mm/utils.h>

namespace mm {

  colormap colorize::operator()(const heightmap& src) const {
    colormap map(size_only, src);

    for (heightmap::size_type x = 0; x < src.width(); ++x) {
      for (heightmap::size_type y = 0; y < src.height(); ++y) {
        auto value = value_with_sea_level(src(x, y), m_sea_level);
        map(x, y) = m_ramp.compute_color(value);
      }
    }

    return map;
  }

}
